1. hardness and not easily deformed: This unisex agility paddle made of PC material resists bending and deformation, effectively extending its service life and ensuring a worry training experience. Designed to provide swimmers with instant feedback on their stroke, even after a full lap! 2. Lightweight and effortless: Thanks to its lightweight design, this hand paddle delivers strong thrust while minimizing water resistance. The streamlined thumb hole ensures proper hand posture—apply pressure with your palm to hold, not grip. 3. Alerts you to stroke mistakes: If your technique is incorrect, the paddle will shift or fall off, signaling the need for adjustment. 4. Wearing options: This hand paddle offers two carrying methods to accommodate different comfort preferences and training needs. One is the traditional strap style with soft and comfortable elastic bands for a secure, slip fit. The other is the strapless design—simply slide it on and enjoy unrestricted freedom.